在 2019-03-07 00:21，Balakrishna Godavarthi 写道：
This patch enables enough time to ROME controller to bootup
after we bring the enable ping out of reset.
Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
---
drivers/bluetooth/hci_qca.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 237aea34b69f..1953b13511e7 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -508,6 +508,8 @@ static int qca_open(struct hci_uart *hu)
qcadev = serdev_device_get_drvdata(hu->serdev);
if (qcadev->btsoc_type != QCA_WCN3990) {
gpiod_set_value_cansleep(qcadev->bt_en, 1);
+ /* Controller needs time to bootup. */
+ msleep(150);
} else {
hu->init_speed = qcadev->init_speed;
hu->oper_speed = qcadev->oper_speed;
Reviewed-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
Tested-by: Rocky Liao <rjliao@xxxxxxxxxxxxxx>
